Ghost canceler for television and video tape recorder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Dec 28, 1989
filing date -
Dec 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ghost canceler having first and second terminal groups. The first terminal group is coupled to a television receiver and the second terminal group is available for coupling to a video tape recorder (VTR). The first terminal group includes terminals for receiving an original video signal from the television to be ghost canceled, commands for causing ghost canceling processing to be carried out, information regarding television channel changes and sound signals from the television receiver. The first terminal group also includes an output terminal for transmitting to the television receiver the original video signal as it is within a period in which the input terminal group does not receive the commands for performing the ghost canceling processing, or a predetermined period immediately after the input terminal group receives information about the switch of the channels, the output terminal transmitting to the television receiver a video signal ghost canceled with respect to the original video signal at other times. The second terminal group including a video output terminal for outputting the ghost canceled video signal or the original video signal received from the television receiver to the VTR and sound terminals for outputting a sound signal received from the television receiver as is to the VTR.
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